Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KW9ROJ callsign genealogy
Currently held by Steward, Matthew
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by KW9ROJ's current licensee, walking backwards.
- Steward, MatthewINgranted 2021-07-12cancelled 2021-07-31
Successor callsigns
Callsigns held now by people who previously held KW9ROJ.
- Steward, Matthew RINgranted 2022-03-08